计算题,计算题,
计算题,
(1/2)^(-2)=2^2=42sqr(2)<3abs(2sqr(2)-3)=3-2sqr(2)sqr(8)=2sqr(2)3/(2sqr(2))=(3sqr(2))/4 =4+3-2sqr(2)-(3sqr(2))/4 =7+(5sqr(2))/4